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Semenov [28]
3 years ago
12

on her quiz in social studies meg awnsered 92 % of the questions correctly . On her second quiz she awnsered 27 out of 30 questi

ons correctly . On which quiz did meg have the better score
Mathematics
1 answer:
Mandarinka [93]3 years ago
4 0
First quiz in social studies as in the second one it was only 90%
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Find the value of x.<br><br> A) 10 <br> B) 16<br> C) 9<br> D) 14
Jet001 [13]
It’s 10 or 9 I think it is probably 10
3 0
3 years ago
Can someone answer this question and give an explanation
Temka [501]

Answer:

48cm^2

Step-by-step explanation:

First, you can break down this shape into two different, easier to work with shapes, with dimensions of 4*9 and 6*2. You can get this by cutting the bigger rectangle into the 4*9, and then using the 6*2 left over.

After that, all you need to do it multiply and then add.

4*9 is 36, and 6*2 is 12.

36+12=48

Hope this helped!

7 0
1 year ago
Read 2 more answers
A $40.00 shirt is on sale for 35% off. How much will I save?
mina [271]

Answer:

You will save $14.00

Step-by-step explanation:

If the shirt is 35% off, it means that you will effectively save 35% of the price. 35% of the price in this case is 35% of 40, which is $14.00

5 0
3 years ago
Find the value of the letter in each of the following. Give your answers to 1 d.p.
Damm [24]

Answer:

a) z = 70.5°

b) s = 83.6°

c) x = 0.7cm

Step-by-step explanation:

We would solve for the above questions using Trigonometric functions of either Sine, Cosine or Tangent.

a) We are given the following values

Hypotenuse = 21 inches

The triangle is divided into two to give us a right angle triangle

The adjacent side = 14inches/2 = 7 inches

We are to find Angle z

The Trigonometric function we are using is Cosine

cos z = Adjacent / Hypotenuse

cos z = 7/21

cos z = 1/3

z = arc cos(1/3)

z = 70.528779366°

To 1 decimal place

z = 70.5°

b) We are given the following values

Hypotenuse = 12 cm

The triangle is divided into two to give us a right angle triangle

The opposite side = 16cm/2 = 8 cm

We are to find Angle s, but it is split into 2

So we represent the half as x

The Trigonometric function we are using is Sine

sin x = Opposite/ Hypotenuse

sin x = 8/12

sin x = 2/3

x = arc sin(2/3)

x = 41.810314896°

Remember in the question, we are to find s.

s = x° × 2

s = 41.810314896 × 2

s = 83.620629792

To 1 decimal place

s = 83.6°

c) From the above diagram, we are to find the Opposite side represented by x

Our triangle is split into two equal halves

Adjacent side = 2cm

Angle θ = 36°/2 = 18°

We are using Trigonometric function tan to solve for question c

tan θ = Opposite/ Adjacent

tan 18° = Opposite/ 2

Cross Multiply = tan 18° × 2

0.3249196962 × 2

= 0.726542528cm

To one decimal place,

x = 0.7cm

3 0
3 years ago
Find the measure of D
notka56 [123]

Answer:

138 degrees

Step-by-step explanation:

angle 42 and angle D make a an angle of 180 degrees so inorder to find to D we should subtract 42 from 180

6 0
3 years ago
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